\newcommand{\todo}[1]{
	\vspace{0.5cm} 
	\textcolor{red}{
		\large{\bf{TODO:}}
		\vspace{0.2cm}
		\hline
		\vspace{0.5cm} 
		\textbf{ #1 }
		\vspace{0.5cm} 
		\hline
	}
	\vspace{0.5cm} 
 }